EUVD-2026-117804Published

Model Context Protocol TypeScript SDK: Shared transport or server instances delivered one HTTP client's messages to another

cve-program · CVE-2026-111770

Published

typescript-sdk

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "modelcontextprotocol",
                    "product": "typescript-sdk",
                    "versions": [
                        {
                            "version": "< 1.32.0",
                            "status": "affected"
                        }
                    ]
                }

server

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@modelcontextprotocol",
                    "product": "server",
                    "versions": [
                        {
                            "version": ">= 2.0.0, < 2.3.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-117804

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Nov 5, 2026, 9:28:00 PM

dateUpdated: Nov 5, 2026, 9:44:49 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-111770

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Received

Weakness classifications: CWE-362

Original publisher date fields

published: 2026-11-05T22:17:45.817

lastModified: 2026-11-05T22:17:45.817

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-jm63-cq47-j5jp

Published

@modelcontextprotocol/server

npm

SEMVER · introduced 2.0.0 → fixed 2.3.0

Original source record · Cite this exact observation · Complete original publisher JSON